分母含参不等式解法1/x

As to Britain, a recovery in European trade______.

A．threatens to induce a state of depression

B．is helpful for its economic development

C．involves a condition of long-term illness

D．will make Germany cooperate with it

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烟片总糖的测定要分以下几步()。

A.糖液制备

B.费林反应

C.高锰酸钾滴定

D.计算

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！

下列不属于传播的必须要素的是

A、信息

B、传播者

C、传播途径

D、接受者

E、反馈

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According to the passage, the author______.

A．was a doctor of Dr. Sardjito Hospital

B．was receiving stroke treatment in a hospital

C．was good at dealing with stroke patients

D．was collecting information for her paper

请帮忙给出正确答案和分析，谢谢！

What is the ultimate aim of the stimulus package？

A．To sell some concessions.

B．To develop the transport.

C．To boost the economy.

D．To maintain infrastructure.

请帮忙给出正确答案和分析，谢谢！